2 East Lancahire Hospitals3/25/2017East Lancahire HospitalsServes a population of peopleBurnley General HospitalBlackburn Royal InfirmaryRossendale General HospaitalSeven Consultant OphthalmologistFive Middle Grade DoctorsNine Trainee DoctorsMr A Nylander.

4 WIOL-CF Main Features and Benefits3/25/2017WIOL-CF Main Features and BenefitsAccommodation capability > 2.25 DioptresLow incidence of PCO (< 1%/year)Resistance to deposits Large glare-free opticsVery good centration and position stabilityPotential for full reversibility - reimplantableAllows vitreo-retinal surgerySome clinical results will be presented in the second part. Let me summarize the main reasons why we are interested in this lens:Mr A Nylander.

9 WIOL-CF edge profile MENISCOID ANTERIOR SURFACE3/25/2017WIOL-CF edge profileMENISCOID ANTERIOR SURFACEOPTICAL TRANSITION ZONECONICAL FASETTEThe lens has a sharp rim which then blends into the optical part via a narrow conical fasette. This rim may be one of the reasons why the lens is very resistant to posterior capsule opacification.SHARP EDGEHYPERBOLOID SURFACE CONTACTING POSTERIOR CAPSULEMr A Nylander.

10 WIOL-CF Features Benefits3/25/2017WIOL-CF Features BenefitsHigh water content( 42%, higher than any other IOL on the market today )High carboxylate content( only on the current market )Low refractive indexSuperior biocompabilityHigh permeabilityHydrated surface with low friction vs. tissue (e.g., capsule, iris, cornea )Resistance to calcificationMinimized surface reflections and glare at nightMr A Nylander.

11 WIOL-CF Features Benefits3/25/2017WIOL-CF Features BenefitsNegatively charged surface(only one on the market )Partly dehydrated for insertionResistance to protein depositsResistance to cell attachmentResistance to opacification of posterior capsuleNo adhesion to tissues ( capsule, iris, cornea )Increased strength for safer foldingNon-slippery for safer gripSmaller size for implantationMr A Nylander.

12 WIOL-CF Features Benefits3/25/2017WIOL-CF Features BenefitsFull-disc configurationSelf-centeringExcellent position stabilityMaintenance of posterior capsular wallReplaceability of WIOL-CFVery large optical zoneEnables vitreo-retinal surgeryMr A Nylander.

15 Power Calculation For the WIOL-CF Lens3/25/2017Power Calculation For the WIOL-CF Lens1.The surgeon calculates the lens power based on the A-constant for SRK-T. Lets’s assume that the calculated value is 21.5d.2.Surgeon corrects the calculated value using the correction chart. The value of 22.5d (right red column) relates to the value 21.5d (left blue column).3.Finally, the value of +0.5d is added to the corrected value. Therefore surgeon implants WIOL-CF of the dioptric power of 22.8 (23.0)d.4.Anterior surface is the flat (plano) surface of the lens, posterior surface is the convex surface of the lens, it is easy to recognise from the side view.5.Lens has to be rinsed by isotonic saline solution and positioned posterior (convex) side down into the cartridge. Procedure of folding is shown in the following video.Mr A Nylander.

17 WIOL-CF accommodation3/25/2017WIOL-CF accommodationImplanted in 51 eyes :Up to this date results in summary:WIOL-CF allows a comfortable everyday life and work or sports activities without use of spectacles or contactsGood patient preference and satisfaction.Objective examination shows 20/20 uncorrected acuity for both near and far visionNow some personal experience. My right eye was implanted more than 4 yeas ago and my left eye 2 years ago. In summary, this lens allow me a normal active life without spectacles – reading, night driving, sports, etc.Objective examination shows 20/20 vision both for near and far vision.Mr A Nylander.

19 WIOL-CF ACCOMMODATIVE IOL3/25/2017WIOL-CF ACCOMMODATIVE IOLImplanted 51 lens in 38 patients11 of these patients have had the lens implanted in both eyes29 patients have had unilateral implantation.19 males21 femalesMr A Nylander.

30 Conclusion All patients obtained some accommodation.3/25/2017ConclusionAll patients obtained some accommodation.Accommodation range from N12 to N5 Mostly N8.Better accommodation with 6/9 or 6/6 vision than 6/4 or 6/5.Encourage patients to use their accommodation.Mr A Nylander.

31 3/25/2017ConclusionOlder patients need more encouragement than younger patients.Correction factor appears to be accurate.PCO in 2 out of 51 cases.1 YAG Capsulotomy at 18 monthsNo problems with YAG CapsulotomyOverall results with the WIOL-CF lens are very promising.Mr A Nylander.